PROVIDER PROFILE · NPI 1972682037

Clayton Chan

PRACTICEASIAN HEALTH SERVICESSee all providers at this practice →

Internal MedicineOakland, CAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

2,504

Beneficiaries

—

Total drug cost

$164K

Distinct drugs

Brand share

11.9%

Top prescribed drugs

Atorvastatin Calcium310 claims

Amlodipine Besylate281 claims

Metformin Hcl142 claims

Lisinopril139 claims

Losartan Potassium138 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Clayton Chan's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 16 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Bradford Piatt Diagnostic Radiology · Lafayette, CA	66	119
Peter Sam Family Practice · Oakland, CA	33	74
Tammy Chen Family Practice · Oakland, CA	26	52
ASIAN NETWORK PHYSICAL THERAPY AND REHABILITATION	22	31
Kathryn Klima Diagnostic Radiology · Oakland, CA	21	33
ASIAN HEALTH SERVICES	20	33
Tyler Kang Hematology-Oncology · Walnut Creek, CA	18	89
Qingwei Yan Urology · Oakland, CA	16	29
HSU, FRANK	16	29
RICH, PHILIP	15	21
SUTTER EAST BAY HOSPITALS	13	23
Thomas Lee Podiatry · Oakland, CA	12	42

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history